Horizontal positioning ruler



FIG. 1 is a perspective view showing my design;

FIG. 2 is a front view showing my design;

FIG. 3 is a back view showing my design;

FIG. 4 is a left side view showing my design;

FIG. 5 is a right side view showing my design;

FIG. 6 is a top plan view showing my design; and,

FIG. 7 is a bottom plan view showing my design.

The broken lines in the drawings depict parts of the horizontal positioning ruler that form no part of the claimed design. 

CLAIM The ornamental design for a horizontal positioning ruler, as shown and described. 